Home / 15,136.64-22,706.17-5,275.70

Finding the Fourth Proportional to 15,136.64, 22,706.17 and 5,275.70

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Solution

The fourth proportional to 15,136.64, 22,706.17 and 5,275.70 is: 7,913.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,136.64 : 22,706.17 = 5,275.70 : x
  2. Step 2: Convert to fraction form
    15,136.64/22,706.17 = 5,275.70/x
  3. Step 3: Cross multiply
    15,136.64x = 22,706.17 × 5,275.70
  4. Step 4: Simplify right side
    15,136.64x = 119,790,941.07
  5. Step 5: Solve for x
    x = 119,790,941.07/15,136.64
  6. Step 6: Final answer
    x = 7,913.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.